GPX4 and cancer: Cancer is a major threat to human life and health all over the world, and studies have shown that the mechanism of inhibition of tumor proliferation by a variety of chemotherapy adjuvant drugs is closely related to ferroptosis, and further studies have shown that the GPX4 protein, an important regulator of ferroptosis (2–4), plays an important role in the process of tumor growth, proliferation, migration, and differentiation.